EP 4140728 A1 20230301 - A MULTILAYER COMPOSITE SHEET FOR ANTENNA HOUSING
Title (en)
A MULTILAYER COMPOSITE SHEET FOR ANTENNA HOUSING
Title (de)
MEHRSCHICHTIGE VERBUNDFOLIE FÜR EIN ANTENNENGEHÄUSE
Title (fr)
FEUILLE COMPOSITE MULTICOUCHE POUR BOÎTIER D'ANTENNE
Publication
Application
Priority
EP 21193298 A 20210826
Abstract (en)
The present application relates to a multilayer composite sheet for antenna housing, a preparation method therefor, and use thereof. The multilayer composite sheet comprises at least two non-foamed skin layers (1, 2) and a foamed core layer (3) therebetween. The multilayer composite sheet according to the present invention can achieve improved signal transmission performance and reduced weight, and can be used as an outdoor and/or indoor antenna housing.
IPC 8 full level
B32B 5/18 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/20 (2006.01); B32B 27/36 (2006.01); H01Q 1/00 (2006.01)
CPC (source: EP)
B32B 5/18 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 27/365 (2013.01); H01Q 1/424 (2013.01); B32B 2250/03 (2013.01); B32B 2250/244 (2013.01); B32B 2250/246 (2013.01); B32B 2307/20 (2013.01); B32B 2307/212 (2013.01); B32B 2307/50 (2013.01); B32B 2457/00 (2013.01)
Citation (applicant)
- US 6492015 B1 20021210 - AOKI TAKESHI [JP], et al
- CN 111421937 A 20200717 - SHANGHAI ALLIED IND CO LTD
- EP 1308084 A1 20030507 - CIBA SC HOLDING AG [CH]
- DE 102007011069 A1 20080911 - BAYER MATERIALSCIENCE AG [DE]
- DE 10311063 A1 20040923 - BASF AG [DE]
- W. SCHOLTANH. LANGE, KOLLOID, Z. UND Z. POLYMERE, vol. 250, 1972, pages 782 - 1796
Citation (search report)
- [XDA] CN 111421937 A 20200717 - SHANGHAI ALLIED IND CO LTD
- [AD] US 6492015 B1 20021210 - AOKI TAKESHI [JP], et al
- [A] WO 2020205923 A1 20201008 - LAIRD TECHNOLOGIES INC [US]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
EP 21193298 A 20210826